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RESEARCH OF EDFA GAIN FLATTENING BASED ON CHIRPED FIBER BRAGG GRATING

机译:基于纤维布拉格光栅的EDFA增益闪烁研究

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摘要

Erbium-doped fiber amplifier, with advantages of high gain, large bandwidth and low noise and disadvantages of uneven gain, is an important component in wavelength division multiplexing optical communication systems. This uneven characteristic will surely lead to reduced effective transmission bandwidth and system performance degradation. This paper studies on issues of EDFA gain flattering based on chirped fiber Bragg grating, and provides detailed analysis of the method of using chirped fiber bragg grating to achieve flat EDFA output gain. Numerical simulation result shows that this method can reduce unevenness to 0.2dB and below.
机译:掺光纤放大器具有增益高,带宽大,噪声低,增益不均等缺点,是波分复用光通信系统的重要组成部分。这种不均匀的特性必将导致有效的传输带宽降低和系统性能下降。本文研究了基于chi光纤布拉格光栅的EDFA增益平坦化问题,并详细分析了使用chi光纤布拉格光栅实现平坦的EDFA输出增益的方法。数值模拟结果表明,该方法可以将不均匀度降低到0.2dB及以下。

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